Locking device for electric power metering box
By employing a snap-fit structure of limit brackets and fixing holes in the power metering box, along with a combination design of slide rails, sliders, hinges, and protective plates, the stability and reliability issues caused by rust and oxidation of traditional power metering box door locks are solved, achieving stable locking of the box door and convenience and safety for outdoor use.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-12
- Publication Date
- 2026-03-27
AI Technical Summary
Traditional electricity metering box door locks are prone to rust and oxidation during long-term use and outdoor exposure, which reduces the stability and reliability of the lock.
A locking device for an electricity metering box was designed. It adopts a precise locking structure of limit bracket and fixing hole, combined with slide rail, slider, hinge and protective plate to ensure the box door is firmly locked and can be smoothly rotated to expand the operating space after unlocking. The protective plate provides shielding when used outdoors.
It significantly enhances the locking stability and security of the box door, ensuring convenience and safety for outdoor use, preventing rainwater intrusion, and improving the reliability of the power metering box.
Smart Images

Figure CN224048901U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to power technical field especially relates to a power metering box locking device. BACKGROUND
[0002] The power metering box is a special equipment for installing and protecting the electric energy meter and its related accessories, which plays a vital role in the power system. The power metering box not only provides a safe and stable installation environment for the electric energy meter, but also ensures the accuracy and reliability of the electric energy measurement, and facilitates the power company to copy the meter, maintain and manage.
[0003] The conventional power metering box door relies on the door lock when locking, but these door locks are prone to rust and oxidation in long-term use and outdoor exposure, thereby significantly reducing the stability and reliability of the locking.
[0004] In view of the existing problems, it is necessary to provide a power metering box locking device capable of increasing stability. INVENTION CONTENTS
[0005] In order to overcome the disadvantage that the door lock rusts after long-term use, thereby reducing the stability, the utility model provides a power metering box locking device.
[0006] The technical implementation scheme of the utility model is as follows: a power metering box locking device, comprising a power metering box and a box door, the box door is placed on the front side of the power metering box, the box door is connected with a connecting frame on the rear side, the door lock is connected on the box door, the door lock penetrates through the box door, further comprising a connecting frame, a door lock, a connecting block, a rotating plate, a connecting frame, a moving plate, a first limiting frame, a rotating plate, a second limiting frame and a fixing frame, the connecting block is connected with the rotating plate on the rear side of the door lock, the connecting frame is connected with the connecting frame on the left wall of the power metering box, the rotating plate is connected with the connecting frame through clamping, the moving plate is connected with the rotating plate through sliding, the first limiting frame is connected with the moving plate on the top, the rotating plate is connected with the second limiting frame through sliding on the inside of the connecting frame, the fixing frame is connected with the power metering box inside up and down, the fixing holes are symmetrically arranged on the left and right sides of the fixing frame, and the first limiting frame and the second limiting frame are connected with the fixing holes through clamping.
[0007] More preferably, it further comprises a sliding rail, a sliding block, a hinge, a rotating block and a protective plate, the sliding rail is connected with the power metering box on the top left and right symmetrically, the sliding block is connected with the sliding rail through sliding, the hinge is connected with the sliding block, the rotating block is connected with the hinge on the bottom, the rotating block is fixedly connected with the box door on the bottom, and the protective plate is fixedly connected with the box door on the front side.
[0008] More preferably, it further comprises a baffle, and the baffle is connected with the protective plate on the front side up and down symmetrically.
[0009] More preferably, the square telescopic pipe is further included, the rear side of the sliding block is connected with the square telescopic pipe, and the other end of the square telescopic pipe is connected with the sliding rail.
[0010] More preferably, the protection plate is triangular.
[0011] More preferably, the number of the hinges is not less than two.
[0012] The utility model discloses the beneficial effect is: 1, through the accurate clamping of first limit frame and second limit frame to fixed hole, ensure the stable locking of box door, when needing to open the lock, lock cylinder drives the connecting block action, promote first limit frame and second limit frame to move inwards, quickly remove the clamping of fixed hole, the convenient opening of box door is convenient, in the non -use state, this clamping design significantly enhances the stability and security of box door locking.
[0013] 2, through the setting of sliding rail, sliding block, hinge, rotating block and protection plate, make the box door and its components can rotate 90 degrees smoothly after unlocking, thereby greatly expanding the operation space of user, when protection plate is at the top, can provide shelter automatically when the sudden rainfall, ensure the convenience and safety of equipment in outdoor use. ACCURACY OF DRAWINGS
[0014] Figure 1 It is the three-dimensional structure schematic diagram of the utility model electric power metering box, box door and door lock.
[0015] Figure 2 It is the sectional view of the utility model box door.
[0016] Figure 3 It is the three-dimensional structure schematic diagram of the utility model connecting frame, fixed frame and fixed hole etc.
[0017] Figure 4 It is the three-dimensional structure schematic diagram of the utility model door lock, connecting frame and connecting block etc.
[0018] Figure 5 It is the three-dimensional structure schematic diagram of the utility model rotating plate, first limit frame and second limit frame etc.
[0019] Figure 6 It is the three-dimensional structure schematic diagram of the utility model.
[0020] Figure 7 It is the use state diagram of the utility model protection plate.
[0021] Figure 8 It is the three-dimensional structure schematic diagram of the utility model protection plate, hinge and baffle etc.
[0022] Meaning of reference signs in the figure: 1, electric power metering box, 2, box door, 201, connecting frame, 3, door lock, 4, connecting block, 5, rotating plate, 6, connecting frame, 8, moving plate, 9, first limiting frame, 10, rotating plate, 11, second limiting frame, 12, fixed frame, 13, fixed hole, 14, slide rail, 15, sliding block, 16, hinge, 17, rotating block, 18, guard plate, 19, baffle, 20, square telescopic pipe. DETAILED DESCRIPTION
[0023] The following description is only a preferred embodiment of the utility model, and does not limit the protection scope of the utility model.
[0024] Embodiment: a kind of electric power metering box locking device, as shown in Figures 1-8 Figure, including electric power metering box 1, box door 2, connecting frame 201, door lock 3, connecting block 4, rotating plate 5, connecting frame 6, moving plate 8, first limiting frame 9, rotating plate 10, second limiting frame 11, fixed frame 12, slide rail 14, sliding block 15, hinge 16, rotating block 17, guard plate 18, baffle 19 and square telescopic pipe 20, fixed hole 13, electric power metering box 1 front side is placed with box door 2, the rear side of box door 2 is connected with connecting frame 201, box door 2 is connected with door lock 3, door lock 3 penetrates box door 2, the rear side of door lock 3 is connected with connecting block 4, connecting block 4 is connected with rotating plate 5, the left wall of electric power metering box 1 is connected with connecting frame 6 before, rotating plate 5 is connected with connecting frame 6 with clamping, rotating plate 5 is slidably connected with moving plate 8, the top of moving plate 8 is connected with first limiting frame 9, the rear side of connecting frame 201 is rotatably connected with rotating plate 10, rotating plate 10 is slidably connected with second limiting frame 11, the inside of electric power metering box 1 is connected with fixed frame 12 symmetrically, fixed hole 13 is symmetrically provided in the left and right sides of fixed frame 12, first limiting frame 9 and second limiting frame 11 are clamped with fixed hole 13, first limiting frame 9 and second limiting frame 11 can increase the stability of the device, the top of electric power metering box 1 is connected with slide rail 14 symmetrically, slide rail 14 is slidably connected with sliding block 15, sliding block 15 is connected with hinge 16, the number of hinge 16 is not less than two, the bottom of hinge 16 is connected with rotating block 17, the bottom of rotating block 17 is fixedly connected with box door 2, the front side of box door 2 is fixedly connected with guard plate 18, guard plate 18 is triangular, guard plate 18 can resist rain and dust, the front side of guard plate 18 is symmetrically connected with baffle 19, baffle 19 can guide rain, so that rain can only stay on both sides, the rear side of sliding block 15 is connected with square telescopic pipe 20, the other end of square telescopic pipe 20 is connected with slide rail 14, square telescopic pipe 20 can protect slide rail 14.
[0025] When the user uses the device, the user will open the door lock 3 by inserting the key, when the door lock 3 is opened, the lock core will rotate, the lock core will drive the connecting block 4 to rotate synchronously, the connecting block 4 rotates to drive the rotating plate 5 to rotate, the rotating plate 5 rotates to disengage the connecting frame 6, at the same time, the moving plate 8 will be driven to move downward, when the moving plate 8 moves downward, the first limiting frame 9 will be driven to move downward, the first limiting frame 9 moves to disengage the fixed hole 13, at the same time, the moving plate 8 will drive the rotating plate 10 to rotate along the axis of itself, when the rotating plate 10 rotates, the second limiting frame 11 will be driven to move upward, the second limiting frame 11 moves to disengage the fixed hole 13, so as to complete the opening of the door lock 3, then the user pulls up the protective plate 18, so that the protective plate 18 rotates ninety degrees along the hinge 16, the protective plate 18 rotates to drive all the components on it to rotate, when the protective plate 18 rotates to completion, the user pushes the protective plate 18 backward, the protective plate 18 moves to drive the hinge 16 and the sliding block 15 to move backward along the slide rail 14, when the sliding block 15 moves, the square telescopic tube 20 telescopes, when pushed to a certain position, the user stops pushing the protective plate 18, at this time, the protective plate 18 is placed horizontally above the electric power metering box 1, when the user copies and maintains the electric power metering box 1, etc., sudden rain, etc. cause the electric power metering box 1 to be damaged, the baffle 19 guides the rainwater from the left and right sides, when the user completes the work of the electric power metering box 1, the components such as the protective plate 18 can be reset, and the electric power metering box 1 is locked.
[0026] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be the protection scope of the claims.
Claims
1. A power metering box sealing device, comprising a power metering box (1), a box door (2), a connecting frame (201), and a door lock (3), wherein the box door (2) is placed on the front side of the power metering box (1), the connecting frame (201) is connected to the rear side of the box door (2), and the door lock (3) is connected to the box door (2), the door lock (3) penetrating the box door (2), characterized in that, It also includes a connecting block (4), a rotating plate (5), a connecting frame (6), a movable plate (8), a first limiting frame (9), a rotating plate (10), a second limiting frame (11), and a fixed frame (12). The connecting block (4) is connected to the rear side of the door lock (3), and the rotating plate (5) is connected to the connecting block (4). The rotating plate (5) wraps around the connecting block (4). The connecting frame (6) is connected to the front side of the left inner wall of the power metering box (1). The rotating plate (5) is engaged with the connecting frame (6). The movable plate (8) is slidably connected to the rotating plate (5). The top of the moving plate (8) is connected to the first limiting frame (9), the rear side of the connecting frame (201) is rotatably connected to the rotating plate (10), the rotating plate (10) is slidably connected to the second limiting frame (11), the upper and lower sides of the inside of the power metering box (1) are symmetrically connected to the fixing frame (12), the left and right sides of the fixing frame (12) are symmetrically provided with fixing holes (13), the first limiting frame (9) is engaged with the fixing hole (13) in the fixing frame (12), and the second limiting frame (11) is engaged with the fixing hole (13) in the fixing frame (12).
2. A power metering box sealing device according to claim 1, characterized in that, It also includes a slide rail (14), a slider (15), a hinge (16), a rotating block (17), and a protective plate (18). The top of the power metering box (1) is symmetrically connected to the slide rail (14), the slider (15) is slidably connected to the slide rail (14), the top of the slider (15) is fixedly connected to the hinge (16), the bottom of the hinge (16) is fixedly connected to the rotating block (17), the bottom of the rotating block (17) is fixedly connected to the box door (2), and the front side of the box door (2) is fixedly connected to the protective plate (18).
3. A power metering box sealing device according to claim 2, characterized in that, It also includes a baffle (19), and the front side of the protective plate (18) is symmetrically connected with the baffle (19).
4. A power metering box sealing device according to claim 3, characterized in that, It also includes a square telescopic tube (20), the rear side of the slider (15) is connected to the square telescopic tube (20), and the other end of the square telescopic tube (20) is connected to the slide rail (14).
5. A power metering box sealing device according to claim 4, characterized in that, The protective plate (18) is triangular.
6. A power metering box sealing device according to claim 5, characterized in that, The number of hinges (16) shall not be less than two.